Data Science is a multidisciplinary field that studies massive amounts of data and extracts meaningful insights from these datasets. The data can be structured or non-structured. It combines techniques, concepts, and tools from statistics, computer science, mathematics, and domain-specific knowledge to analyze data and recognize hidden patterns and relationships. 

Data science is about using different methods to find useful information from data. This includes collecting data, cleaning it up so it's easier to use, and analyzing it using special tools that help you find patterns and relationships. The findings can be communicated using visualization tools. Data science is nowadays used in lots of different areas, like business, healthcare, social studies, and science.