Definitions
From the Medical Devices angle I think there are more specific definitions, in terms of whats in it and what its supposed to do. Hmmm... it means different things to different people? Blurring of definitions?
Technical Documents (documentation) - all types of documented technical information, including declarations of conformity, other types of declarations, design dossiers, quality system documentation etc.
Technical File - refers to subsets of the above, for the specific purpose of demonstrating conformity. But some authorities uses both terms interchangeably
Quality Manual - a subset of the Technical Documentation addressing.... (as previous post).