This document discusses factors of a firm's internal and external environment that can influence its operations. It describes the internal environment as comprising of plans and policies, human resources, corporate image, financial resources, plant and machinery, labor and management relations, and the promoter's vision. The external environment includes political, economic, social and technological factors according to PEST analysis. It defines a PESTLE analysis as evaluating outside influences on a business like political, economic, social, technological, legal and environmental factors. A SWOT analysis examines both internal strengths and weaknesses as well as external opportunities and threats.