After lunch let’s go out for a coffee. Here “After” is:

🧠 Explanation:

In the sentence "After lunch let’s go out for a coffee," "after" is a preposition, indicating the timing of the action. Prepositions link actions to time or place, enhancing sentence clarity. This example highlights the role of prepositions in structuring temporal relationships, vital in English grammar. Proper use ensures clear communication in planning or storytelling, a key skill in writing or speaking, particularly in scheduling or narrative contexts where timing is essential.