Is it ok to use text area for multiple subjects?

1. When to use textarea?
2. How many characters can fit in textarea?
3. What's the difference between a text field and a text area?
4. What is the use of large text area?

When to use textarea?

The <textarea> element is often used in a form, to collect user inputs like comments or reviews. A text area can hold an unlimited number of characters, and the text renders in a fixed-width font (usually Courier).

How many characters can fit in textarea?

HTML <Textarea>maxlength attribute

number: It contains single value number which allows the maximum number of character in Textarea element. Its default value is 524288.

What's the difference between a text field and a text area?

The major difference between a textarea and a text field ( ), is that a text field only has one line, whereas a textarea usually has multiple lines.

What is the use of large text area?

This is a generic Lightning Component that allows for the display or editing of a Long Text Area field on the record page with a larger input box than what is standard and the ability to toggle it on and off.