A list or catalog of items, usually in alphabetical order, that indicates their locations.

सूची पत्र

English Usage: The index letter on the envelope shows who the letter is addressed to.

Hindi Usage: लिफाफे पर सूची पत्र यह दिखाता है कि पत्र किसे संबोधित किया गया है।

To arrange or list items systematically, typically in a database or document.

सूचीबद्ध करना

English Usage: You need to index the files to make them easier to find later.

Hindi Usage: आपको फाइलों को सूचीबद्ध करना होगा ताकि उन्हें बाद में ढूंढना आसान हो।