The document outlines various business analysis techniques, including SWOT, Porter's Five Forces, PEST analysis, and Value Chain analysis, highlighting their historical development, purposes, advantages, limitations, and applications. SWOT analysis helps identify internal strengths and weaknesses as well as external opportunities and threats to maximize profit. Porter's Five Forces focuses on competitive market dynamics, while PEST analysis assesses external macroeconomic factors, and Value Chain analysis aims to enhance product value and consumer relationships.