शारदा शारदाम्भोजवदना वदनाम्बुजे ।
सर्वदा सर्वदाऽस्माकं सन्निधिं संनिधिं क्रियात् ॥
శారదా శారదాంభోజవదనా వదనాంబుజే
సర్వదా సర్వదాస్మాకం సన్నిధిం సంనిధిం క్రియాత్
SAradA SAradAmbhOja-vadanA vadanAmbujE
sarvadA sarvadA'smAkam sannidhim saMnidhim kriyAt
-- A prayer to Goddess SArada (seen in the beginning of 4th sarga of raghuvamSam of mahAkavi KAlidAsa)
O Goddess SAradA! (who is having) the face like fully bloomed lotus of Sarad Rtu! O sarva+dA (sarva=everything, da=capable of giving; so sarvada is the one who is capable of giving everything i.e., the goddess of knowledge) always in our speech (sarvadA asmAkam vadanAmbujE) reveal (cause - kriyAt) and point towards (sannidhim) hidden treasure of TRUE knowledge (sat+nidhim - true supreme knowledge).
vAgdEvi or SArada or saraswati reveals herself in the faculty of speech which is called vadana. Only due to right knowledge one can achieve anything. She is sarvada as well. She should finally bestow the supreme knowledge that confers moksha!
om tat sat