"Know one's business" is an idiomatic expression used to describe someone who is knowledgeable and experienced in a particular field or industry. It means to possess a deep understanding, expertise, and familiarity with the specific procedures, intricacies, and workings of a particular business or profession.
When someone "knows their business," they possess both theoretical and practical knowledge, allowing them to efficiently and effectively navigate through situations specific to their field. It implies that they are well-versed in the practices, operations, and protocols required to successfully carry out their tasks or responsibilities.
Knowing one's business often involves a combination of education, training, experience, and a strong sense of professionalism. Individuals who are well-acquainted with their business are often considered experts in their field, trusted by others for their proficiency and competence.
Furthermore, knowing one's business is not limited to specialized technical knowledge but also includes having a comprehensive understanding of the industry as a whole. This includes being aware of industry trends, market competition, and staying up-to-date with the latest advancements and innovations in their field.
Overall, the expression "know one's business" signifies a high level of expertise, experience, and skill in a specific profession or industry, allowing individuals to confidently perform their roles and make informed decisions to achieve success.
