Comma

Japanese: comma

...Adults also visit flowers, but from summer onwards they prefer to gather on tree sap and rotting fruit. A closely related species is P. c - album (English name: comma). It is widely distributed in the Palearctic region, and has slightly thinner wings and a darker brown colour than the previous species.

From [Punctuation]

...First, symbols that indicate the break between sentences include a period (.), a question mark (?), and an exclamation mark (!), which respectively express a statement, question, and exclamation (command). Symbols that indicate the break between parts of a sentence include a comma (,), a semicolon (;), and a colon (:), with the break lengthening in that order (the corresponding break in breath becomes longer in time). Other symbols used to indicate a change in the nature of the line of speech include quotation marks (such as “ ”), parentheses (( )), brackets (［］), dashes (―), hyphens (‐), and apostrophes ('), which are beginning to be used in Japanese when writing horizontally. ...

From [Mathematical symbols]

…Even today in France, : is often used instead of ÷. Also, what we write as 1,958.65 is written as 1.958,65 in continental Europe, and the decimal point is called a comma. On the other hand, it is known that the quality of symbols is deeply related to the progress of mathematics. …

*Some terminology explanations that mention "comma" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…成虫は花にもくるが，夏以降は樹液や腐熟果に好んで集まる。　近縁種にシータテハP.c‐album(英名comma)がある。旧北区に広く分布し，前種よりやや翅が細く，茶色が濃い。…

【句読点】より

…まず，文と文との切れめを示す符号として，ピリオドperiod(.)，疑問符question mark(？)，感嘆符exclamation mark(！)があり，それぞれ叙述･疑問･感嘆(命令)の意味をあらわす。文のなかの部分と部分との切れめを示す符号として，コンマcomma(，)，セミコロンsemicolon(；)，コロンcolon(：)があり，この順序に切れめが長くなる(該当する息の切れめが時間的に長くなる)。このほか，話線の性質が変わるときに用いる符号として，引用符quotation marks(“　”など)，かっこparentheses((　))，角かっこbrackets(［　］)，ダッシュdash(―)，ハイフンhyphen(‐)，アポストロフィapostrophe(’)などがあり，これらは日本語でも横書きのときに用いられるようになりつつある。…