We use the present simple to talk about actions we see as long term or permanent. It is a very common and very important tense.
Here, we are talking about regular actions or events.
Here, we are talking about facts.
Here, we are talking about future facts, usually found in a timetable or a chart.
Here, we are talking about our thoughts and feelings at the time of speaking. Although these feelings can be short-term, we use the present simple and not the present continuous.
For any comments on the site, please email Pearson Brown.