活 vivid, lively

Let thirsty CATS lick water with their tongue and they will become lively.

lifestyle ★★★★★
生 (life / birth) + 活 (vivid, lively) = 生活 (lifestyle)

activity ★★★☆☆
活 (vivid, lively) + 動 (movement) = 活動 (activity )

activity - like 'Gang activity has increased in this area,' or, 'Her band's been really active this year,' etc.

active career ★☆☆☆☆
活 (vivid, lively) + 躍 (jump) = 活躍 (active career)

used in business or showbiz - to be doing a lot of things which are getting the notice of one's peer group. To suceed in making a name for one's self. To be going places. .