Broadcast advertising refers to the promotion of products or services through audio and visual media, primarily on television and radio. Advertisers create commercials that are aired during specific time slots, reaching a wide audience. This form of advertising is effective for building brand awareness and driving sales. The process involves creating engaging content that captures viewers' or listeners' attention. Advertisers often target specific demographics by choosing particular channels or time slots. Broadcast advertising can be costly, but it offers the potential for significant reach and impact compared to other advertising methods.