Labeling techniques are methods used to categorize and identify items, often in research or data analysis. These techniques help in organizing information, making it easier to retrieve and understand. Common labeling methods include categorical labeling, where items are grouped based on shared characteristics, and numerical labeling, which assigns numbers to items for easier tracking. In various fields, such as machine learning and biological research, labeling techniques play a crucial role. For instance, in image recognition, labeled images help algorithms learn to identify objects. Proper labeling ensures accuracy and efficiency in data processing and analysis.