Words about words

Something is opaque if you can't see through it. Most things are opaque. The term is most often used to describe stockings that are not transparent.

Or is a word that is used to connect two other words or phrases that are alternatives, for example "do you want beef or chicken?"

Something is original if it has never been done before. An idea is original if it has never been thought of before, and a painting is original if it is the first time that picture has been painted. If something has been made as a copy or modified from something else, the thing it has been copied from is the original.
The dress in the picture is original, because it is hand-made and there is no other dress like it.

You go out when you go away from something, or out from inside something. For example, you might go out to a restaurant. If you rearrange some items, they become out of order.
The cat in the picture is getting out of a box.
The opposite of out is in.

Over is when you move above something. The soldiers in the photo are climbing over a wall.

Something is overgrown if it is covered in growth, outside of where it should be. Gardens can become overgrown if they are neglected and left to run wild with no-one to prune the plants and pull out the weeds.

Fruit is overripe if has become ripe and then kept going. Overripe fruit becomes soft and squishy, and may also get brown or wrinkly. Overripe fruit is not very nice to eat.

Oxen is the plural of ox.

You pack a suitcase when you go away on vacation. Packing something means putting things inside it until it is full. You can pack a suitcase, boxes or even pack a wardrobe full of things.

Something is painful if it hurts.

The man in the picture is having a a painful injection.