What are hard skills?

When you think about the amount of training, technical knowledge you have gained throughout your career and academic life, you think of complex skills. Skills like foreign languages speaking, mobile development, database management, user interface design, Network Security, Statistical Analysis, and many others are some of them. If you want to have a very clear and fast idea about it, Simon Sinek explains it in this short video. Click below. https://youtu.be/3T71qvIPCto