New lines don't work

So, basically Im new on this , so I dont know many things. When I put a text box and press enter it returns me to the start of the line instead of making a new line. Same if I type long enough to be bigger than the space of the line, it just returns to the start of the line and starts writing over the text , it overflows. How can I fix this?

Hey Andy, you’ll need to share your readonly project link from the page you have a question on, and a published site link as well to that page.

I’m having difficulty understanding what you’re seeing and trying to do, but it sounds like you’re building a form and have an input field that is not behaving as you expect?

A video might help also.