Branching

Branching is a term in linguistics. It refers to the way a phrase or sentence is made up. There is a head word and various other words to make the phrase or sentence.
Examples.
Most languages make phrases with a head word and dependents (modifiers). These examples show the phrase heads in bold. 
Examples of left-branching phrases (= head-final phrases):
Examples of right-branching phrases (= head-initial phrases):
Example of phrases that contain both left- and right-branching (= head-medial phrases):
Most structures in English are, however, not completely left- or completely right-branching, but rather they combine both. The following trees show a combination of left- and right-branching in English:
There are more right-branching structures than left-branching structures in English. This means that trees usually grow down to the right.