The correct spelling for the phrase "one discretions" should be "one's discretions". The apostrophe signifies that the word "one" is possessive, and therefore requires an apostrophe and letter 's.' The word "discretions" refers to the power of making a choice or decision. In IPA phonetic transcription, this phrase would be pronounced as ['wʌnz dɪ'skrɛʃənz], with emphasis on the second syllable of "discretions." It is important to maintain proper spelling in written communication to avoid confusion and enhance clarity.