| 170 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 260 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 240 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 170 | A New Dictionary of Kanji Usage |
| 2998 | Classic Nelson (Andrew Nelson) |
| 269 | Essential Kanji (P.G. O’Neill) |
| 223 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 967 | Japanese Names (P.G. O’Neill) |
| 3.8 | Japanese for Busy People |
| 454 | Kanji and Kana (Spahn and Hadamitzky) |
| 461 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 157 | Kanji in Context (Nishiguchi and Kono) |
| 1336 | Kodansha Compact Kanji Guide |
| 3172 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1632 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2220 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 257 | Les Kanjis dans la tete (Yves Maniette) |
| 21775 | Morohashi |
| 2563 | New Japanese English Character Dictionary (Jack Halpern) |
| 3739 | New Nelson (John Haig) |
| 251 | Remembering The Kanji (James Heisig) |
| 266 | Remembering The Kanji, 6th edition (James Heisig) |
| 164 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 320 | Tuttle Kanji Cards (Alexander Kask) |
world, boundary
- On:
- カイ
Jōyō kanji, taught in grade 3
JLPT level N4
158 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 界 【カイ】 community, circles, world, kingdom, erathem, field (electrical), border, boundary, division
- 界隈 【カイワイ】 neighborhood, neighbourhood, vicinity
- 球界 【キュウカイ】 the baseball world
- 経済界 【ケイザイカイ】 economic world, financial circles, business community
Readings
- Korean:
- gye
Spanish
- borde
- frontera
- extensión
- ámbito
Portuguese
- mundo
French
- monde
| 3654 | 2001 Kanji |
| 5f4.7 | The Kanji Dictionary |
| 2-5-4 | SKIP code |
| 6022.8 | Four corner code |
| 1-19-06 | JIS X 0208-1997 kuten code |
| 754c | Unicode hex code |
signpost, seal, mark, stamp, imprint, symbol, emblem, trademark, evidence, souvenir, target
Jōyō kanji, taught in grade 4
JLPT level N1
686 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 標 【ヒョウ】 mark, sign, target, plain wood showing the seating order of officials at court, nameplate
- 標高 【ヒョウコウ】 elevation, height above sea level
- 商標 【ショウヒョウ】 trademark
- 登録商標 【トウロクショウヒョウ】 registered trademark
Kun reading compounds
- 導 【しるべ】 guidance, guide
- 印 【しるし】 mark, sign, symbol, emblem, badge, crest, flag, evidence, proof, token (of gratitude, affection, etc.)
- 標旗 【ひょうき】 identification, marking flag
Readings
- Japanese names:
- しべ
- Korean:
- pyo
Spanish
- marca
- signo
- modelo
Portuguese
- Sinal de tráfego
- carimbo
- marca
- selo
- sinal impresso
- símbolo
- emblema
- marca registrada
- evidência
- lembrança
- alvo
French
- panneau
- sceau
- marque
- tampon
- empreinte
- symbole
- emblème
- évidence
- souvenir
- cible
| 704 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 599 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 571 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 776 | A New Dictionary of Kanji Usage |
| 2359 | Classic Nelson (Andrew Nelson) |
| 858 | Essential Kanji (P.G. O’Neill) |
| 642 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2298 | Japanese Names (P.G. O’Neill) |
| 923 | Kanji and Kana (Spahn and Hadamitzky) |
| 945 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1200 | Kanji in Context (Nishiguchi and Kono) |
| 1114 | Kodansha Compact Kanji Guide |
| 1347 | Kodansha Kanji Dictionary (Jack Halpern) |
| 730 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 976 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1622 | Les Kanjis dans la tete (Yves Maniette) |
| 15442 | Morohashi |
| 1064 | New Japanese English Character Dictionary (Jack Halpern) |
| 2852 | New Nelson (John Haig) |
| 1608 | Remembering The Kanji (James Heisig) |
| 1734 | Remembering The Kanji, 6th edition (James Heisig) |
| 628 | Tuttle Kanji Cards (Alexander Kask) |
| 1841 | 2001 Kanji |
| 4a11.8 | The Kanji Dictionary |
| 1-4-11 | SKIP code |
| 4199.1 | Four corner code |
| 1-41-24 | JIS X 0208-1997 kuten code |
| 6a19 | Unicode hex code |