Flyer or Leaflet

Flyer distribution, leaflet distribution, door to door, door drop campaign, solus or shared, what is the difference?

Some people will tell you that a flyer distribution is hand to hand and that leaflet distribution is door to door, this is not true.

Flyer or leaflet, they mean the same.

Flyer distribution or door to door distribution, they mean the same.

The only real difference is solus or shared distribution.