BelowtheLine
Belowtheline is an advertising and marketing term describing promotional activities that do not rely on broad mass-media channels to reach wide audiences. BTL aims to engage specific target segments through direct, interactive channels, seeking a measurable response such as a sale, lead, or brand engagement.
Typical Belowtheline activities include direct marketing (mail, telemarketing, email), experiential or event marketing, promotions and sampling,
Historically, the term differentiated these activities from above-the-line advertising, which used mass media like television, radio,
In practice, Belowtheline techniques are widely used in digital channels (targeted display, social media, email marketing)