Some things to think about for your guitar:

Body style - Mod-D, OM, or Parlor

Top Wood - Cedar or Spruce

Back and Sides - Mahogany, Sapele, Indian Rosewood, White Oak

Binding - Typically a mix of the back and sides wood with maple and rosewood

Rosette - Abalone included or wood only

Tuners - There are many options

Nut Width - Typically 1 3/4”

String Spacing - Typically 2 1/4”

Scale Length - 25.4 or 24.9