Buyer personas are closely related to the concept of 'Target Audience.' While the target audience refers to a broader group of potential customers, buyer personas provide a more detailed and specific profile of individuals within that group. This allows businesses to focus their efforts on the most relevant and valuable segments of their audience.

'Behavioral Targeting' is another related term. This involves using data about customers' behavior to inform marketing strategies. Buyer personas incorporate behavioral data to create more accurate and effective representations of ideal customers.

'Customer Journey Mapping' is a process that visualizes the steps a customer takes from awareness to purchase and beyond. Buyer personas play a crucial role in this process by providing insights into the motivations and pain points of customers at each stage of their journey. This helps businesses create more relevant and engaging content at every touchpoint.

'Content Mapping' is the practice of aligning content with the needs and preferences of different buyer personas at various stages of the customer journey. By understanding the specific characteristics and goals of each persona, businesses can create content that resonates more deeply with their audience.

'Market Research' and 'Customer Profiling' are foundational activities for developing buyer personas. Market research provides the data needed to understand the target market, while customer profiling involves analyzing this data to create detailed profiles of different customer segments. 'Customer Segmentation' further refines this process by dividing the market into distinct groups based on shared characteristics.

Finally, 'User Persona' and 'ICP (Ideal Customer Profile)' are terms that are often used interchangeably with buyer persona but have slight differences. A user persona focuses more on the end-users of a product, while an ICP defines the type of customer that would gain the most value from a business's offerings. Both concepts are integral to creating accurate and useful buyer personas.