Dust Bunnies!!!!!!!
The dirt under grass can be called soil.
this is called the door sill seal or door sill rubber
it is a door sweep
door sill.
dirt
lunar dirt
Part if the door handle pops off. Look under the dirt Handel and you should see it. Then use the key from the remote.
lava?
rock guard
no there is dirt under Manchester
a dirt clod
When speaking of a "Coir Door mat", one refers to a small mat placed at the entrance. This kind of mat does a good job of scrubbing dirt off the shoes and does not trap water under it.