bˈaɪ "sˈoʊʃəl dᵻmˈɑːkɹəsi", lˈʌksəmbˌɜːɡ hɐz ɪn mˈaɪnd ðɪ ɚɹˈɪdʒɪnəl jˈuːs ʌvðə tˈɜːm dᵻɹˈaɪvd fɹʌm mˈɑːɹks ænd sɪnˈɑːnɪməs wɪð "sˈoʊʃəlˌɪzəm"; ʃiː kənsˈiːvd ʌvðə sˈoʊʃəl dˌɛməkɹˈæɾɪk pˈɑːɹɾi æz ɐ mˈæs bˈeɪst ˌɔːɹɡɐnəzˈeɪʃən ʌv wˈɜːkɪŋ klˈæs stɹˈʌɡəl.
By "social democracy", Luxemburg has in mind the original use of the term derived from Marx and synonymous with "socialism"; she conceived of the social democratic party as a mass based organisation of working class struggle.