The following terms when used in this chapter shall have the following respective meanings:
"County executive agency" means any department, office, board, or commission of a county.
"County legislative body" means the city council or county council of a county.
"Person" means an individual, group, partnership, firm, association, corporation, trust, governmental agency, governmental official, administrative body, or tribunal or any form of business or legal entity.
"Principal" means a person who has entered into a development agreement pursuant to the procedures specified in this chapter, including a successor in interest.