Header - Search bar with a category menu. It lets users use the functions or find the next knowledge without going back to the main page.
Title & Category - Title and category of the knowledge or vocabulary.
Learning Icon - A toggle that can easily turn on or off learning function of the word by one click.
Image/Video Section - Area that embeds videos or images of the user's own choice to enhance the ability to memorize the knowledge.
Definition Section - Users can choose to customize the meaning or import from major websites such as Wikipedia or Merriam Webster.
Note Section - Add a note to remind yourself of some tips or related experiences.