What is are the distinct names for these verbs: 'Display' and 'Displays' [closed]

Solution 1:

The first sentence is [You] (implied subject) click (main verb) this button (direct object) to display your presentation (an infinitive verb with a direct object; an infinitive phrase, used an adjective).

The second one is Clicking this button (subject consisting of a gerund and its direct object) displays (main verb) your presentation. (direct object)