Final answer:
Stratification is a technique used to classify individuals based on social status, while summarization involves condensing information into a concise summary.
Step-by-step explanation:
Stratification: Stratification is a technique used in sociology to classify and categorize individuals or groups based on their social status, wealth, occupation, or other criteria. It involves dividing a population into distinct layers or strata, each representing a particular level of social standing or inequality.
Summarization: Summarization is a technique used in various academic disciplines, including history and literature. It involves condensing information from a source into a concise and coherent summary, focusing on the main ideas, key facts, and essential details.