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Myriad
Not Always Literal
Myriad as a noun doesn't always mean a specific number, but rather a large, indefinite quantity. 
With 'of' Usage
When used as a noun, 'myriad' is often followed by 'of' to introduce what there is a lot of. 
Abstract Concepts
Use 'myriad' for both tangible and intangible concepts, like thoughts, feelings, or items. 