What was the main thing the contracts were had to do with?
In Europe during the Medieval period, guilds were formed by craftsmen to organise their trades and written contracts have survived, particularly in relation to ecclesiastical buildings.
С чем главным образом были связаны контракты?
В Европе в средневековый период ремесленники создавали гильдии для организации своих ремесел, и письменные контракты сохранились, особенно в отношении церковных зданий.