Alight can have many different meanings.

It might mean something that is on fire. It might also mean you are getting off something after it has stopped moving, like a horse or a train. It could also mean you are coming onto something after a flight, as in "see the bird alight on that branch".

An argument is a kind of conversation where two or more people who disagree with each other all put forward the reasons for their side of an argument. A structured argument is usually called a debate, and an argument that gets very heated can turn into a fight.

You bend something when you change it from being straight into a curve. Someone has bent the metal bar in the picture.

Binding is a way of holding two or more things together, usually by tying or wrapping. Book pages are bound together down one edge to form a book.

Bleach is a chemical that removes colors. It is often used when washing stained white linen, like sheets and tablecloths, and people often bleach their hair to a lighter color. Things will often bleach naturally from the action of sunlight, without chemical help. The word 'bleach' can be used as a verb, as in to bleach something.