Please feature this meta post

This is an incomplete answer. I think the word may be:

My first could describe a call or a fell, in two ways,
And it sounds like a way of going fast in olden times.

My second could describe a paper or a cloud, in two ways,
And docked it's almost my first, but not in truth.

My whole is used to know what's important,
Like for instance a featured SE post.

At time of posting, the current featured post is amusingly: