The binder is a full tobacco leaf that is used to roll the cigar, binding the filler tobaccos together. 
Dominican Republic is a traditional tobacco-growing country. In the 60's, a Cuban seed was introduced and the resulting tobacco, called Piloto Cubano, became famous as a good substitute of the Cuban tobacco that was no longer allowed to enter the USA. Piloto Cubano is full bodied while the Dominican Olor tobacco is milder but more aromatic.

Filler is the term used to describe the tobacco inside a cigar or the "guts" of the cigar.
Filler (or “tripa” in Spanish) is the term used to describe the tobacco inside a cigar or the "guts" of the cigar. The Dominican Republic is considered one of the most premier tobacco growing countries in the world. The filler tobacco grown in this Caribbean island nation ranges from mild to full bodied. Olor Dominicano and Piloto Cubano are the main types of tobacco grown in the Dominican Republic.