California Code, Government Code - GOV § 66418

“Design” means:  (1) street alignments, grades and widths;  (2) drainage and sanitary facilities and utilities, including alignments and grades thereof;  (3) location and size of all required easements and rights-of-way;  (4) fire roads and firebreaks;  (5) lot size and configuration;  (6) traffic access;  (7) grading;  (8) land to be dedicated for park or recreational purposes;  and (9) other specific physical requirements in the plan and configuration of the entire subdivision that are necessary to ensure consistency with, or implementation of, the general plan or any applicable specific plan as required pursuant to Section 66473.5.