You can directly erase segments without selecting cutting edges.

You can only trim lines, not curves.

You must select cutting edges first.

You need to press enter before trimming.

It allows trimming only one segment at a time.

It requires exiting the command to delete lines.

It can delete entire lines without exiting the command.

It only works with selected objects.

It is always faster.

It can be faster in some situations.

It is the only way to trim curves.

It allows for more precise trimming.

You must select boundary edges first.

You can specify lines to extend without selecting boundary edges.

You need to use a special tool to extend lines.

You can only extend lines to the closest boundary.

Click far from the section you want to extend.

Click closer to the section you want to extend.

Always use the older method.

Select all lines before extending.