Meaning of the word "Make sure to" in English

What does "Make sure to" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

Make sure to

US /meɪk ʃʊr tuː/
UK /meɪk ʃɔː tuː/

Phrase

to ensure or confirm something; to take necessary action to achieve something

Example:
Please make sure to close the door when you leave.
I'll make sure to send you the report by tomorrow.