| Subject | English | Estonian |
| IT | information source | infoallikas |
| IT | information source | informatsiooniallikas |
| environ. | information source Generally, any resource initiating and substantiating the reception of knowledge or specifically, the origin of a data transmission | teabeallikas |
| IT | source information | sisendinformatsioon (sisestatav informatsioon) |
| econ. | source of information | infoallikas |