This is the 347th most frequent Finnish word.
muista
"Muista" means "remember" or "remind" in English, depending on context.
In this sentence, 'muista' is the imperative form of the verb 'muistaa,' which means 'to remember.' The subject is commanded or encouraged to remember something.
Muista ottaa eväät mukaan retkelle.
Remember to take snacks with you on the trip.
Here, 'muistaa' is used in the present tense to show an ongoing action of recalling or remembering something.
Hän muistaa lapsuutensa kirkkaasti.
He remembers his childhood clearly.
In this case, 'muista' is an imperative form, used to emphasize the act of remembering something important.