This is the 3996th most frequent Arabic word.
تذكر
"تذكر" means "to remember" in English.
The word "تذكر" is used here as a command or imperative form, instructing someone to recall or not forget a specific action.
تذكر أن تحضر كتابك إلى الصف.
Remember to bring your book to class.
The word "أتذكر" is used here in the present tense first person to indicate the speaker recalling a past memory.
أنا أتذكر الصيف الماضي عندما ذهبنا إلى الشاطئ.
I remember last summer when we went to the beach.
The word "تذكر" is used in the present tense in a question, making an inquiry about someone's recall of specific information.