As with anything it takes familiarity and time with making cursive strokes. Think of our own cursive and how we tend to make indications of certain letters as opposed to actually writing them out. An "i" for example or an "r". Same can be said for cursive in any language. Take the types of calligraphy from eastern languages.



Is a good example. Parts start to get omitted, but the basic form still exists. For Eorzean I think the flags would be the first to be omitted. So



and so on and so forth. With time comes efficiency and arguably sloppiness .