The different types of keywords include head terms, body keywords, and long-tail keywords.

• Fat head, chunky middle, body keywords
• Head terms, chunky middle, topic keywords
• Head terms, body keywords, long-tail keywords
• Body keywords, chunky middle, long-tail keywords

The correct answer is: Head terms, body keywords, long-tail keywords

Explanation: When conducting keyword research, various search terms are categorized into specific types. These categories, commonly known as head terms, body keywords, and long-tail keywords, play distinct roles in shaping an effective SEO strategy.

Source: HubSpot Lesson: Keyword Research for SEO