This is an enlarger. This is what you use to put the photo onto the paper. What it does, is that it exposes light to and prints a photo on the photo paper. You can adjust the sharpness and height by moving knobs and/or the whole thing. Carefully of course.
This is photo paper. This is what you use to capture the image you want, and hang it up somewhere. It is light sensitive, so DO NOT take it out in plain day light. And when in the darkroom, DO NOT take ant mobile device out. It will expose the light from the screen. It is very important to not put it under the enlarger when the light is on. You will ruin the paper.
This is a safe light. What it does is help you see where you are and what you are doing in the darkroom. The glow red and is dim, but is very helpful.
A sink is very important. You would use this to rinse your photo after all the chemicals you used on your photo.
You can use tongs to take your photos out of each soak in the chemicals. It is important to not get the chemicals on your hands if possible. If you do, that is what the sink is for. Make sure to rinse them off extremely well.