You may have heard the writing rule: 'Show, don't tell.' Like all writing rules, take this with a grain of salt. In general, however, fiction should include both showing and telling. The relative amount of showing and telling depends on the market. You can see the relative amounts of showing and telling by reading Electric Spec's (free!) past stories. We need some showing. In fact, I rejected a story recently that was all telling. Another market might have chosen it; but we would not.
Good luck with your showing and/or telling!