When you design your data entry forms, keep in mind where the items are coming from. If you're copying data from a paper form, make your layout resemble the printed page. If various items come from different sources, group the data appropriately on the layout. Make the record's key field the first entry on the form, and if possible, make it a required field. And keep the layout legible and visually satisfying by separating fields with enough white space and by moving consistently from top to bottom or from left to right, as needed.
Similar standards apply to reports.
Lay them out on paper first, remembering which reports are to be printed on paper and which ones will usually be viewed on a monitor. Margins, line counts, column titles, graphics, headers and footers, totals and subtotals, and explanatory text items all have to be considered here. Summary reports are often nice to have, especially if the information is to be used as part of a live presentation. Enter enough sample data to satisfy all current and future input and output requirements, get feedback from your colleagues, and make any necessary changes up front. Then, when everything looks good, you can delete the sample data and go to work.