Action
Activity
noun, verbal noun
The lively moves you make are actions. They're the activities you do every day to stay fit and healthy!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
クリステンは、週末はコスプレイヤーとして活動しています。
Kristen is an active cosplayer on weekends.
午前と午後は大学で生物学を勉強し、夕方からはしゅう教活動をしています。
I study biology in the mornings and afternoons at college, and in the late afternoon, I engage in religious activities.
活動動詞とは動詞を相の観点から四つに分けた内の一つです。
Action verbs are one of the four verb types categorized from the aspect perspective.