What does "preproduction" mean?

All the preliminary arrangements that are made before the start of a project, especially before the filming of a movie.

Preproduction

Common synonyms include: early, early phase, front end planning, initial, initial planning, planning phase.

noun

noun ·Rare ·Advanced level

Noun

1
All the preliminary arrangements that are made before the start of a project, especially before the filming of a movie. uncountable, usually
2
The production of a material or substance before it is needed, in anticipation of future requirements. uncountable, usually

From pre- + production.