Swedish: An Essential Grammar, 2nd edition

ägg – ägg, egg-s; pojke – pojkar, boy-s.
D
ECLENSION
denotes the different ways of 
INFLECTING
the noun in the
plural, e.g. flickor, pojkar, parker, äpplen, män, bestsellers (girls, boys,
parks, apples, men, bestsellers). It is also used to describe adjective +
noun constructions such as the indefinite declension of the adjective,
e.g. en sådan liten bil, a little car like that, or the definite declension
of the adjective, e.g. den lilla bilen, the little car.
D
EFINITE
refers to a previously mentioned entity, cf. Tjuven har stulit
klockan, The thief has stolen the clock. The
INDEFINITE
refers to a
new entity, e.g. En tjuv har stulit klockan, A thief has stolen the clock.
D
ERIVATIVE
refers to a word derived from a 
STEM
, usually by the addition
of an 
AFFIX
; e.g. angå, concern; begå, commit and föregå, precede, are
all derivatives of the verb gå, go.
D
IRECT OBJECT
refers to a person or thing directly affected by the action
of a (transitive) verb, e.g. Pojken slog bollen/sin syster, The boy hit the
ball/his sister.
D
UPLICATION
involves the repetition of a subject, object or adverbial,
usually in a pronoun or adverb form, e.g. Olle, han är inte dum, han,
Lit.: Olle, he isn’t stupid, he isn’t.
D
URATIVE VERB
(or verb of duration) denotes a continued action (e.g.