Meaning of the word "There is" in English

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

There is

US /ðɛr ɪz/
UK /ðeər ɪz/

Phrase

used to state that something exists or happens

Example:
There is a cat on the roof.
There is no time to waste.