More on Tree Diagrams

node
dominate
precede
immediate dominance
mother
daughter
sister
immediate precede

Constituent
 - string of one or more words that syntactically and semantically behave as a unit
 - Y is a constituent of X if and only if X dominates Y

Immediate constituent
 - Y is an immediate constituent of X if and only if X immediately dominates Y

A set of nodes A forms a constituent B, if B dominates all and only the nodes of A