Welcome back to Fountain Pen 101. Before I really dive into the meat of this series, I want to cover the basic anatomy of a fountain pen. I’m just going to cover the parts I’ll be discussing later. If you want an in-depth look at all of the parts, I suggest you check out this post on the Goulet Pen Co. blog.
Cap: This one’s easy. Most pens have a cap. Those that do, it’s important to keep them capped when not in use, so the nib doesn’t dry out. Some people like to post the cap when using their pen (like in the photo below), but not all pens are postable. It depends on the body.
Body/Barrel: Another easy one. The “official” term is barrel, but I doubt anyone would be confused if you call it the body. If you’re using a cartridge or converter pen, this is the part you unscrew to get to said cartridge or converter. Depending on the shaping of the body (if it’s tapered or not) you may or may not be able to post the cap.