| Subject | English | Bulgarian |
| construct. | top water level | максимално равнище на подприщване |
| commun., IT | top-level domain | домейн от първо ниво |
| comp., MS | top-level domain | домейн от най-високо ниво (In the Internet and other networks, the highest subdivision of a domain name in a network address, which identifies the type of entity owning the address (for example, .com for commercial users or .edu for educational institutions) or the geographical location of the address (for example, .fr for France or .sg for Singapore). The domain is the last part of the address (for example, www.acm.org)) |
| comp., MS | top-level folder | папка от най-горно ниво (The uppermost directory on a computer, partition or volume) |
| corp.gov. | top-level management | висше ръководство |
| comp., MS | top-level property grid | мрежа за свойства от най-високо ниво (A property grid that only displays the properties that appear in the sentence-level view of an action) |
| comp., MS | top-level site | Сайт от най-високо ниво (A Web site at the top of the hierarchy in a site collection, from which you can manage site collection features) |