How do we read the titles in the pedigree?

In the genealogy presented in the pedigree we can observe the names of the parents, grandparents and great-grandparents of a dog.
The titles of each member of this family will be to the right of their names, represented by letters followed or not by numbers. There are several different titles and they are all described and explained on the back of the pedigree.

To illustrate, let's name a few:​