Yes
Yes, it is common practice to indent at the start of a new paragraph when a new person is speaking in a dialogue. This helps the reader visually distinguish between different characters speaking.
You have to indent each new paragraph.
first line indent
just click on tab everytime you want to indent.
first line indent
first line indent
Yes, you indent each new paragraph.
Yes, you indent whenever it is the start of another paragraph. It doesn't matter what type of writing it is, you always indent at the start of a new paragraph.
An architectural indent is when a new stone is added to a structure in place of an older one. This new stone should be the same type as the previous.
yes
Yes because it is a new paragraph.
I'm not sure what you mean by "with an indent" - you make a new paragraph and indent any time you switch who's speaking. Each of your paragraphs needs to be indented at the beginning.