посылка meaning in English

assumption [assumptions]▼(the minor or second proposition in a categorical syllogism)
noun
[UK: ə.ˈsʌmp.ʃn̩] [US: ə.ˈsəmp.ʃn̩]

package [packages]▼(something which is packed)
noun
[UK: ˈpækɪdʒ] [US: ˈpækɪdʒ]

parcel [parcels]▼(package wrapped for shipment)
noun
[UK: ˈpɑːs.l̩] [US: ˈpɑːr.sl̩]

premise [premises]▼(either of the first two propositions of a syllogism, from which the conclusion is deduced)
noun
[UK: ˈpre.mɪs] [US: ˈpre.məs]

background [backgrounds]▼(relevant information)
noun
[UK: ˈbæk.ɡraʊnd] [US: ˈbæk.ˌɡrɑːwnd]

precondition [preconditions]▼(preexisting requirement)
noun
[UK: ˌpriːk.ən.ˈdɪʃ.n̩] [US: ˌprik.ən.ˈdɪʃ.n̩]

premise [premises]▼(proposition antecedently supposed or proved)
noun
[UK: ˈpre.mɪs] [US: ˈpre.məs]

prerequisite [prerequisites]▼(Something that must be gained in order to gain something else)
noun
[UK: ˌpriː.ˈre.kwɪ.zɪt] [US: pri.ˈre.kwə.zət]