It is length retention. If your hair is nearly always growing you need to make sure your doing as much as you can not to damage or break the growing hair so it can grow to its full potential before naturally falling out. This means give your hair a little extra TLC. This is particularly important for textured hair types which tends to be drier than other hair types and therefore more prone to breakage. It is also harder to see progress in growth with curly hair compared to other hair types as it grows in a curl rather than straight out so give your hair patience, especially if you have recently done the big chop.
So here are some tips for retaining the length of your hair: