What is the meaning of か?
The hiragana syllable か (ka). Its equivalent in katakana is カ (ka). It is the sixth syllable in the gojūon order; its position is か行あ段 (ka-gyō a-dan, “row ka, section a”).
final interrogative particle, similar to a question mark ("?").
カ, ヵ: Used to mark uncertainty in non-conversation factual statements, such as data or proofreading
particle marking disjunction or indefiniteness; "or", "some-", "one of ..."
whether (or not)
indication of doubt
forms 形容動詞 (keiyō dōshi, “-na adjectives”) from stems, indicating the state or feeling of an object
Source: wiktionary.orgSearch words containing