Applauding is clapping after something happens to show you like it. People in an audience applaud after a performance like an opera if they think it was very good.
An award is something you are given if you have done something special, such as an act of bravery, being academically excellent, or winning a competition.
A baseboard, also called a skirting board, mopboard, floor molding, or base molding is a decorative piece of wood used to hide the join between the wall and the floor.
A billboard is a very, very large outdoor advertisement. Billboards are usually put near busy roads, so that people driving past in cars can see them from a long way away.
A blackboard, or chalkboard, is a surface you can write on in chalk. Blackboards are usually used in classrooms or to write menus in restaurants.
A board is a piece of wood that is wide and long but quite thin. Boards are usually used to make floors from, or for cladding on walls.
You are bored when you have nothing to do, or you don't want to do anything. The man in the picture is bored.
Cardboard is very thick paper. Cardboard might be solid all the way through, or it might have a zigzag of thinner cardboard inside it, for strength but keeping it light.
A chopping board is a portable surface, usually made from wood or plastic, that is used when you are cutting up food so that your kitchen table or benches don't get damaged.