Imagine you made a video for YouTube and you want to get some views right away. YouTube has it’s own promotion tools. You can promote it through AdWords or some other 3rd party network.
There are also organic views, that you get when setting right title, description and preview. If you want to get organic YouTube veiws, you should upload a custom preview picture to catch users attention and create a click baiting title. Don’t just describe what happens in the video, imagine the title that you’d like to click yourself.
Fill in the description with all imaginable keywords related to your topic. Creating subtitles will also help finding your video on YouTube.
The thing is, YouTube video views are just page views but with certain time spent on the page. Reach network special algorithms allow you to optimize traffic for your KPIs. So you can set desirable pageview time and system will send you only those users, who are most likely to view the video.