When beginning to use strobes you need to have a light source. Two options of light sources are a flash head with a power pack, or a monolight. The power pack is pretty much what is in the title, a generator. The two power packs are symmetric packs that split power between multiple flash heads, and asymmetric packs that let the power move to different flash heads. If shooting with strobes outside you will need lots of power and when shooting inside monolights might be the best option for lighting. zoom reflectors attach a honeycomb grid for a more focused spread.
There are many types of light modifiers, reflective umbrellas, flash head reflector, honeycomb grids and softboxes to name a few. Reflective umbrellas provide a soft light and are meant to be pointed away from the subject or models. Softboxes are very similar because they give a soft light as well only it is a more focused light towards the subject. honeycomb grids are attached to the the strobe head to adjust the quality of the light.
Usually when using strobes you don’t leave them lying on the floor so a good option would be to use grips or stands. The two main stands are the C-stands and the lightweight stands. The air-shock will soften the fall of your light, minimizing or even eliminating any damage for the lightweight stand. You need to pay attention while loosening your knobs so you gear doesn’t get damaged when using C-stands. Lightweight stands go for about $70, while C-stands go for at least $200.