Lynda.com provides material and courses designed to help students to improve their skills.
Lynda.com provide the ability to share videos and courses with students either directly by emails, in class, and/or share them with your students through learning management systems such as moodle.
To decide whether this video or course is suitable for your class and students check the overview tab (located directly below the player window).
The overview tab will give you information about the course and a description of the course and sometimes topics included in the course.
To find a specific video in a course, you have the ability to search inside courses too to find the exact video related to what you are teaching in your class or to share with your students.