the act of gathering or accumulating items

a group of items or works that are gathered together

एकत्रित वस्तुओं का समूह

English Usage: She started a collection of vintage postcards.

Hindi Usage: उसने प्राचीन पोस्टकार्ड का संग्रह शुरू किया।

the ability to accomplish something with the least waste of time and effort

the ratio of useful work to total input

उपयोगी कार्य और कुल इनपुट का अनुपात

English Usage: The efficiency of the machine was measured during the test.

Hindi Usage: परीक्षण के दौरान मशीन की दक्षता को मापा गया।