https://vuejs.org/v2/guide/events.html#Event-Modifiers
https://vuejs.org/v2/guide/events.html#Key-Modifiers
- v-on for event. Shortform use @ like @click
- v-bind for binding data to html element. Shortform use : like :href
- el - Connect to DOM knowns as element
- data - Store data to be used
- methods - Methods of this Vue Instance
- computed - Dependent properties
- watch - Execute code upon data changes