Definition of "speak to"

speak to

verb
third-person singular simple present speaks to, present participle speaking to, simple past spoke to, past participle spoken to
1. (idiomatic) To give evidence regarding something; to attest or provide evidence for; to bespeak.
  Quotations
  This definitely speaks to the fact that at Georgetown, beginning at the admissions process, you're not a number but a real person.
  2006, Staff of Vault, The College Buzz Book, page 176
  Leaving aside the abundance of negativity for the time being, in aggregate these attempts at definition speak to the multitude of linguistic phenomena characteristic of language hybridity in multilingual settings, albeit explained with differing emphases by different definers.
  2018, James Lambert, “A multitude of ‘lishes’: The nomenclature of hybridity”, in English World-Wide‎, page 7
2. (idiomatic) To address a particular topic.
  Quotations
  Education for being speaks to what grows within the person himself
  1981, McGill journal of education
3. (idiomatic) To (figuratively) resonate with; to feel emotionally relevant to.
  Quotations
  With its pastel cover and pro-LGBTQ+ anthem “You Need to Calm Down,” Lover got a ton of airplay in that two-bedroom apartment. And the breakup songs—“Death by a Thousand Cuts,” “I Forgot That You Existed”—certainly spoke to me.
  2023 August 31, Frankie de la Cretaz, “Postcard from Camp Gaylore”, in Cosmopolitan‎