Katana

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Katana topic overview

The analysis highlights History and Trade as prominent areas in the source structure around Katana.

Related topics: 135
Source areas: 12
Connected nodes: 147
Extracted relationships: 179
Concept neighborhoods: 34
Bridge connections: 147

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

History · 34 topics

Overview · 28 topics

Description · 14 topics

Etymology and loanwords · 12 topics

Rating of Japanese swords and swordsmiths · 11 topics

Ownership and trade restrictions · 9 topics

Usage in martial arts · 9 topics

Gallery · 8 topics

Forging and construction · 5 topics

Storage and maintenance · 2 topics

World records · 2 topics

Appreciation · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Blade length: approx. 60–80 cm (24–31 in)
Blade type: Curved, single-edged
Hilt type: Two-handed swept, with circular or squared guard
Place of origin: Japan
Produced: Nanboku-chō period (1336–1392) which corresponds to the early Muromachi period (1336–1573) to present
Scabbard/sheath: Lacquered wood, some are covered with fish skin, decorated with brass and copper.

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Etymology and loanwords

Nihon Shoki
Tsurugi Tsurugi (sword)
Nihontō
Shaku Shaku (unit)
Daitō Daitō (long sword)
Japanese Japanese language
Kun'yomi
Kanji
Chinese Chinese language
Loanword
Portuguese Portuguese language
Machete

Storage and maintenance

Chōji oil Choji oil
Mold Mold (fungus)

World records

Ownership and trade restrictions

Firearms and Offensive Weapons Act 1990 Firearms policy in the Republic of Ireland
British government Her Majesty's Government
Fine Fine (penalty)
Martial arts
Historical re-enactors
England
Wales
Scotland
Northern Ireland

Gallery

The Japanese Sword Museum Japanese Sword Museum
Tokyo National Museum
Museum of Fine Arts, Boston
Mon Mon (emblem)
Maki-e
Raden Raden (Japanese craft)
Koshirae
Shirasaya

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Katana connects Entity context

The extracted context around Katana shows recurring relationship patterns in the source. For example, Katana → Antique Japanese, ArtHilt, Azuchi, Black, Boston, Daishō, Designated, Early Edo, Edo, Fine Arts, Hilt, Hizen, Hizen Tadayoshi, Important Cultural Property, Important Mounting, Koshirae, Late Edo, Meiji, Metropolitan Museum, Momoyama Another extracted example is Katana → Almost, As, Azuchi, Azuchi-Momoyama, Bizen, Edo, In, Japan, Japanese, Kamakura, Keichō, Kunihira Kawachi, Lacquered, Mino, Momoyama, New, Sengoku, Swords, The, The Umetada. Use these groups to spot repeated connection types before inspecting the individual relationships.

Top relations

related to Gallery · 34

Katana → Antique Japanese, ArtHilt, Azuchi, Black, Boston, Daishō, Designated, Early Edo, Edo, Fine Arts, Hilt, Hizen, Hizen Tadayoshi, Important Cultural Property, Important Mounting, Koshirae, Late Edo, Meiji, Metropolitan Museum, Momoyama

related to Shintō (New swords) · 24

Katana → Almost, As, Azuchi, Azuchi-Momoyama, Bizen, Edo, In, Japan, Japanese, Kamakura, Keichō, Kunihira Kawachi, Lacquered, Mino, Momoyama, New, Sengoku, Swords, The, The Umetada

related to Kotō (Old swords) · 15

Katana → Also, Hishizukuri, In, Japanese, Kamakura, Kasuga Shrine, Muromachi, Nanboku-chō, Nanbokuchō, Starting, The, Their, These, This, When

related to United Kingdom · 15

Katana → April, As, August, British, England, It, Japan, Martial, Northern Ireland, Offensive Weapons Order, Scotland, The, This, Those, Wales

related to Shinshintō (New swords) · 14

Katana → He, His, In, Japan, Japanese, Kamakura, Masamune, Minamoto Kiyomaro, Nanboku-chō, National, One, Suishinshi Masahide, The, Yotsuya

related to World records · 11

Katana → Fastest, For, Greek Agisilaos Vesexidis, Guinness World Records, Iaido, Isao Machii, June, Most, Multiple, Tameshigiri, There

related to Appreciation · 9

Katana → By, Depending, For, Hamon, Historically, In, It, Japanese, The

related to Types · 8

Katana → Heian, Instead, It, Japanese, Kissaki-Moroha-Zukuri, One, Shinogi-Zukuri, Shobu-Zukuri

related to Description · 6

Katana → In, It, Japanese, Since, The, With

related to Republic of Ireland · 6

Katana → Amendment, Firearms, Offensive Weapons, Offensive Weapons Act, Order, Under

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

japanese swords sword period blade tachi swordsmiths japan samurai made called used also century edo edge hamon forged cutting many

Katana relationships Subject–Predicate–Object triples

TTTA extracted 179 structured relationships around Katana. Examples in this analysis include Katana → Blade length → approx. 60–80 cm (24–31 in) and Katana → Blade type → Curved, single-edged. The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
Katana	Blade length	approx. 60–80 cm (24–31 in)	1.00	infobox
Katana	Blade type	Curved, single-edged	1.00	infobox
Katana	Hilt type	Two-handed swept, with circular or squared guard	1.00	infobox
Katana	Place of origin	Japan	1.00	infobox
Katana	Produced	Nanboku-chō period (1336–1392) which corresponds to the early Muromachi period (1336–1573) to present	1.00	infobox
Katana	Scabbard/sheath	Lacquered wood, some are covered with fish skin, decorated with brass and copper.	1.00	infobox
Katana	Type	Sword	1.00	infobox
Katana	Used by	Samurai, Daimyo, Shogun, onna-musha, ninja, kunoichi, kenjutsuka, iaijutsuka, iaidoka, and battōjutsuka	1.00	infobox
ōdachi were popular	instance of	long weapons	0.80	text
and along with this	instance of	long weapons	0.80	text
sasuga were gradually lengthened	instance of	long weapons	0.80	text
finally became katana	instance of	long weapons	0.80	text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Katana bring nearby vocabulary together. In this analysis, examples include Tachi, Period and Blade. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

Katana
- Tachi
- Period
- Blade
- Used
- Samurai
- Forged
- Late
- Edo
- Swords
- Sword
- Early
- Martial
katana
- Tachi
- Period
- Blade
- Used
- Samurai
- Forged
- Late
- Edo
- Swords
- Sword
- Early
- Martial
japanese sword
- Swords
- Sword
- Katana
- Made
- Period
- Swordsmiths
- Japan
- Blade
- Century
- Samurai
- Edo
- Tachi
tachi
- Samurai
- Period
- Edge
- Used
- Tang
- Early
- Muromachi
- Japan
- Weapons
- Late
- Many
- Cutting
samurai
- Tachi
- Used
- Period
- Japan
- Cultural
- Muromachi
- Early
- Edo
- Sword
- Swords
- Late
- Edge
muromachi period
- Early
- Edo
- Late
- Period
- Swords
- Tachi
- Sword
- Forged
- Samurai
- Used
- Century
- Weapons
meiji period
- Edo
- Swords
- Tachi
- Early
- Late
- Sword
- Forged
- Samurai
- Century
- Weapons
- Used
- Made
shōwa period
- Edo
- Swords
- Tachi
- Early
- Late
- Sword
- Forged
- Samurai
- Century
- Weapons
- Used
- Made

Connections between topic areas Semantic bridges

For Katana, one of the stronger structural bridges in this analysis connects Katana with History. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

Katana — History · splits 113 ⟂ 35

Katana — Overview · splits 119 ⟂ 29

Katana — Description · splits 133 ⟂ 15

Katana — Etymology and loanwords · splits 135 ⟂ 13

Katana — Rating of Japanese swords and swordsmiths · splits 136 ⟂ 12

Katana — Usage in martial arts · splits 138 ⟂ 10

Katana — Ownership and trade restrictions · splits 138 ⟂ 10

Katana — Gallery · splits 139 ⟂ 9

Katana — Forging and construction · splits 142 ⟂ 6

Katana — Storage and maintenance · splits 145 ⟂ 3

Katana — World records · splits 145 ⟂ 3

Map overview Semantic statistics

Katana

Nodes148

Edges147

Triples179

Avg. degree1.99

Density0.013514

Components1

Source & methodology

TTTA analyzes the structure around Katana to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History & Trade, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Katana · EN edition · Analysis: TopicsToTalkAbout