| Subject | English | Polish |
| construct. | top water level | poziom piętrzenia najwyższy |
| construct. | top water level | poziom piętrzenia maksymalny |
| comp., MS | top-level domain | domena najwyższego poziomu (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., net. | top-level domain name | nazwa domeny najwyższego poziomu |
| comp., MS | top-level folder | folder najwyższego poziomu (The uppermost directory on a computer, partition or volume) |
| corp.gov. | top-level management | kadra kierownicza wyższego szczebla |
| gen. | top-level negotiations | negocjacje na najwyższym szczeblu |
| comp., MS | top-level property grid | siatka właściwości najwyższego poziomu (A property grid that only displays the properties that appear in the sentence-level view of an action) |
| comp., MS | top-level site | witryna najwyższego poziomu (A Web site at the top of the hierarchy in a site collection, from which you can manage site collection features) |
| comp., MS | top-level Web site | witryna sieci Web najwyższego poziomu (The default, top-level site provided by a Web server or virtual server. To gain access to the top-level Web site, you supply the URL of the server without specifying a page name or subsite) |