- Adding alternative text to an object is one way to apply a caption to an object.
- It allows you to display the text in a language other than the default language-for example, English to French, French to German.
- It helps a user with a visual impairment who is using a screen reader understand the content of the object.
- It enables you to provide another explanation of the object, in case the user does not understand what the object is.
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