| Subject | English | Russian |
| progr. | limited structural typing | лимитированная структурная типизация (Alex_Odeychuk) |
| progr. | structural typing | структурная типизация (conformance of a type to an interface is checked statically by the compiler. Any type that implements all methods of an interface conforms to that interface. Implementing types do not need to specify their implementing of interfaces Alex_Odeychuk) |