Difference between catalog, brochure, leaflet, insert, pamphlet, flyers?

catalog is a bound book or booklet show products

brochure - a pamphlet that has more information about a product, event, or service than a catalog has.

leaflet is a single sheet printed on one or both sides and often folded

insert - loose ad inserted into an newspaper or mag.

pamphlet - usually not bound. Can be a leaflet or multiple pages

flyers - are leaflets that are handed out instead of mailed or inserted.

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