マークmaaku

1. nounmark; sign; symbol; emblem; logo; label; brand
   私はカレンダーの誕生日たんじょうびに赤あかいマークをつけた。↗

   I put a red mark on the calendar for my birthday.
2. suru verb, transitive verbto mark; to put a mark on
3. nountrademark
4. noun, suru verb, transitive verbpaying attention to; keeping one's eye on; watching; marking (a player); guarding
5. noun, suru verb, transitive verbsetting (a record); posting; recording

• SynonymしるしNeutralA general mark or sign, also used for proof or a token of feeling, as in 「感謝の印」; 「マーク」 leans toward graphic logos, trademarks, or the act of marking.
• Synonym目印めじるしNeutralA mark for spotting or finding your way, even a landmark, as in 「目印をつける」; 「マーク」 covers marks and graphic signs of all kinds.
• Synonym符号ふごうNeutralA sign defined by a system, like codes or plus/minus signs; 「マーク」 refers to individual, concrete graphic marks.
• Synonym記号きごうNeutralA symbol or sign standing for something, like chemical or map symbols; 「マーク」 favors eye-catching graphic marks and trademarks.
• Synonym標識ひょうしきNeutralA sign put up to give notice, typically 「道路標識」; 「マーク」 is not limited to installed signs and has a wider range.
• SynonymシンボルNeutralA symbol standing for something abstract, as in 「平和のシンボル」; 「マーク」 centers on the graphic itself as a mark.
• Synonym象徴しょうちょうWrittenSomething concrete standing for an abstract idea, as in 「平和の象徴」; leans written, while 「マーク」 is a concrete graphic mark.
• SynonymマーキングNeutralThe act of marking, also animals scent-marking territory; 「マーク」 can be a verb too, but also names the mark itself.
• Related章しょうWrittenFor badges it mostly appears as a suffix in formal words, as in 「腕章」 or 「勲章」; alone it usually means a chapter, so it only meets 「マーク」 in the badge sense.
• Related刻印こくいんNeutralAn engraving carved into metal or a seal, or the act of engraving; figuratively a lasting impression. 「マーク」 is not limited to carved marks.
• Related紋章もんしょうWrittenA formal word for the crest or coat of arms of a family, nation, or group; 「マーク」 is a general mark and carries no sense of lineage or authority.
• Related表象ひょうしょうWrittenA philosophy/psychology term for a mental image or outward representation; it only touches 「マーク」 in the symbolic sense and is not swapped with it in daily use.
• RelatedマーカーNeutralMainly a highlighter or marker pen, also a physical marker object; 「マーク」 is the mark itself, 「マーカー」 the tool that draws it.
• Related符丁ふちょうWrittenA written-style term for a secret price mark on goods or trade jargon that only insiders read; 「マーク」 implies no secrecy.
• Related印すしるすWrittenA written-style verb for leaving a trace or imprint, as in 「足跡を印す」; 「マークする」 is about making a mark or note.
• Related標記ひょうきWrittenA written-style word for marking, also the subject of a document, as in 「標記の件」; 「マーク」 is the mark or sign itself.
• Related標ひょうWrittenThe same word as 印 above; 「標」 and 「証」 are only alternative spellings. More native than 「マーク」, and it also covers proof and tokens of feeling.
• Related表号ひょうごうWrittenA rare, written-style word for a symbol representing something; in everyday speech 「シンボル」 or 「マーク」 will do.

「マーク」 works for graphic marks, logos and trademarks, and as a verb for marking. For a general mark, proof or token of feeling use 「印」; for systematic signs 「記号」 or 「符号」; for posted signs 「標識」; for an easy-to-spot landmark 「目印」; for symbols of abstract ideas 「シンボル」 or 「象徴」. The others are narrower: 「マーカー」 is the pen or marker object, 「マーキング」 the act, 「刻印」 an engraving, 「紋章」 a crest, while 「符丁」「標記」「表象」 and 「印す」 are written-style terms.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 記号きごう。符号ふごう。
2. マークシートで黒くろく塗ぬった部分ぶぶん。
3. 追跡ついせき。