Standards are documents which set out certain rules, guidelines and/or characteristics that a supplier, goods, services, or works must meet or comply with.
Dogfennau sy'n nodi rheolau, canllawiau a/neu nodweddion penodol y mae'n rhaid i gyflenwr, nwyddau, gwasanaethau neu waith eu cyflawni neu gydymffurfio â nhw yw safonau.