Hi Emmanuelle!
dar or poklon (in plural: darovi or pokloni), gifts, presents
dar - noun; darivati - verb - to give a gift, to donate
poklon - noun; poklanjati - verb - to give a gift
The difference is in more meanings of the word ''dar'', such as in some legal terminology for example ''darovni ugovor'' - gift agreement, ''porez na darove'' tax on gifts etc.
Besides the common meanings of the word ''dar'', we use it for natural and innate gifts saying ''dar za pisanje, dar za slikanje'' - a gift for writing, a gift for painting etc.
The person who often gives gifts, generous person - darežljivac (osoba koja često daruje). In legal terminology ''darovanik'' is the one who receives the gift, and ''darovnica'' is deed of gift.
Za Božić, Novu godinu, Uskrs, Valentinovo, rođendane, imendane, uspjehe, nježne godišnjice - za svaku prigodu - darujemo darove i poklanjamo poklone - male i velike znake pažnje. I samo poljubac može biti darovani poklon ili poklonjeni dar:)
Lijep pozdrav!