Description: Term frequency is a measure that indicates how frequently a specific term appears within a document or a set of documents. This concept is fundamental in natural language processing (NLP) and text analysis, as it allows quantifying the relevance of certain words or phrases in a given context. Term frequency can be calculated in various ways, with the most common being a simple count of occurrences. However, more sophisticated techniques can also be applied, such as normalization by the total number of words in the document, which helps obtain a more accurate measure of the relative importance of the term. In the realm of machine learning and data analysis, term frequency is used to train algorithms that can understand and generate text more effectively, allowing models to recognize patterns and relationships between words. This metric is not only useful for document classification but also plays a crucial role in information retrieval, where the goal is to optimize the relevance of search results based on user queries.