Answer:
A beacon from home to guide your way. It can be a lifesaver on a stormy day. What is it?
My love, when I gaze on thy beautiful face. Careering along, yet always in place, the thought has often come into my mind. If I ever shall see thy glorious behind.
Used left or right, I get to travel over cobblestone or gravel. Used up, I vie for sweet success, used down, I cause men great duress.
I have four legs but no tail. Usually I am heard only at night.
It is by nature, soft as silk; A puffy cloud, white as milk; Snow tops this tropical crop; The dirtiest part of a mop
Before Google, we actually had to physically look things up in this building full of knowledge.