| Subject | English | Bulgarian |
| construct. | code combination field | зона на перфорацията |
| construct. | code combination field | кодова зона на перфокарта |
| comp., MS | field code | код на поле (Placeholder text that shows where specified information from your data source will appear; the elements in a field that generate a field's result. The field code includes the field characters, field type, and instructions) |
| construct. | punched-card code field | кодово поле на перфокарта |