Information in folders, messages, memos, proposals, emails, graphics, electronic slide presentations, and even videos created in different formats and stored in many locations is considered knowledge.

The answer is "Unstructured"

Explanation:

In comparison, unstructured information applies to information, which doesn't suit the conventional column and rows concerning databases properly. It is also known as sources, that include mails, audio and video files, web pages and posts in  communication networks.

there is no universally accepted definition of art. although commonly used to describe something of beauty, or a skill which produces an aesthetic result, there is no clear line in principle between (say) a unique piece of handmade sculpture, and a mass-produced but visually attractive item. we might say that art requires thought - some kind of creative impulse - but this raises more questions: for example, how much thought is required? if someone flings paint at a canvas, hoping by this action to create a work of art, does the result automatically constitute art?