There are 18 meanings mentioned in OED's entry with the phrase custom, one among which can be labelled obsolete. See ‘Which means & use’ for definitions, usage, and quotation proof. By way of example, just after handshaking becomes a norm, a person who declines to offer his hand upon https://modularexhibitionstandsad08642.articlesblogger.com/58371675/5-essential-elements-for-custom-exhibition-stands-adam-expo-stand