Unserved or underserved markets are referred to as ________.

A) white space
B) niche markets
C) intangible assets
D) target segments

Unserved or underserved markets are often referred to as "white space" in business terminology. It represents an opportunity for companies to expand their market reach and capture new customers who are not being adequately served by existing businesses. Niche markets (B) and target segments (D) are related concepts but do not specifically refer to unserved or underserved markets. Intangible assets (C) refer to non-physical assets such as intellectual property or brand reputation.