Drawing just one card from the deck is the easiest and probably the most common method of doing a reading. Without a storyline like when interpreting a spread, there are no cards to compare and contrast. You can simply interpret the card as the answer to your question.
Alternatively, you may use this method repeatedly in succession to let the cards tell you a story.
3 of Cups
Maidens in a garden-ground with cups uplifted, as if pledging one another.
The conclusion of any matter in plenty, perfection and merriment; happy issue, victory, fulfilment, solace, healing.