Words about words

Something is cupped if it is in the shape of a cup.

The person in the picture is holding a tadpole in their cupped hands.

You cut something by using something sharp to go through it. You can cut yourself a slice of cake with a knife.

You dab something when you gently pat at it, usually with a cloth. You might dab at your forehead with a handkerchief, or dab on something in blotches.
The woman in the picture has dabs of sunscreen on her face.

Dampen is another word for suppress. Acoustic insulation like in the picture will dampen sound. Being given some bad news may dampen your spirits and put you in a bad mood.

Something is dangerous if it is likely to hurt you in some way. Crossing the bridge in the photo is dangerous because it is very narrow and it is likely you will fall into the water.
Large wild animals are dangerous because they are unpredictable and may attack you.

Danish describes anything relating to Denmark, people from Denmark, the language spoken in Denmark and a kind of pastry.

It is dark when there is not much light and you have trouble seeing anything. It gets dark at night time, or when you close the curtains and shut the light out. The opposite of dark is light or bright.
Dark may also be used to describe something that has much deeper colors than something else, or is close to black. The opposite of this kind of dark is pale.

A debate is a structured discussion about the pros and cons of an issue. Each side of the discussion will either be for or against a point of view and will put forward the reasons for their side of the debate.
A similar word to debate is argument.

Something is decorative if it is there for decoration.

Water is called deep if you cannot touch the bottom with your feet when you stand in it. Deep water can be found in the sea, or at the diving end of a pool. Wells and mines are very deep but don't always have water in them.
The man in the picture is diving in some very deep water.