Why i did not show some components i.e. row, storage

I am a new user of MIT, when I try to take a row or storage component then they are not showing in the list. Why??

Hello and welcome to Thunkable.

Can you please explain more and if possible show a screenshot of what you are trying to do.

The current Thunkable design platform is DnD (drag and drop) which does not have rows or columns.