The short answer to both your questions is yes. In fact if it doesn't do one or the other, you have to give it a name, and it ceases to be anonymous.
You will find this is discussed many a time on the Ranch; different people have different opinions. Look at this thread in the advanced forum, for example.
Drove my Chevy to the levee but the levee was dry. A wrung this tiny ad and it was still dry.
a bit of art, as a gift, that will fit in a stocking