For Navratri, for those who hv not yet had the honour to read Durga Saptashati, who can't find a teacher, who don't have enough time etc. etc. Why not start with the Dhyana-shlokas? Here's the first one. You can listen to them all in the voice of my guru

And know the meaning: ॐ
(अहम् )सेवे I serve adore महाकालिकां Mahakali त्रिनयनां the three eyed सर्वाङ्ग-भूषावृताम् whose (all) limbs are adorned या करैः संदधतीं who holds in her hands... 1

खड्‌गं sword चक्र disc गदा mace इषु arrow(s) चाप bow परिघान् iron bludgeons शुलं spear भुशुण्डीं a fire-arm शिरः head/skull
शङ्खं conch...2

(अहम् महाकालिकां सेवे या) I adore/serve that Mahakali नीलाश्मद्युतिम् whose brilliance is like a blue-gem (दश)-आस्य-दश-पादकां who has ten faces and ten feet...3

याम् who कमलजः Brahma अस्तौत् praised स्वपिते हरौ when Hari was sleeping हन्तुं (in order) to kill
मधुं कैटभं Madhu and Kaitabha...4

Dhyana Shloka from the 2nd Adhyaya of Durga Saptashati for Navratri. You can here the audio here: The shlokas are in order starting with 1 in this thread following the audio

सेवे I adore/serve महालक्ष्मीम् Mahalakshmi प्रसन्नाननाम् Serene-faced हस्तैः दधतीम् who bears in her hands: अक्षस्रक्‌ chain of beads परशुम् axe गदा mace इषु arrow(s) कुलिशम् hatchet पद्मम् lotus धनुष्कुण्डिकाम् bow & small pot
दण्डम् staff शक्तिम् Shakti असिम् च and a sword>

>चर्म skin/armour जलजम् a conch घण्टाम् bell सुराभाजनम् cup of liquor शूलम् spear पाश noose सुदर्शने च and chakras (I serve_
सैरिभमर्दिनीमिह the destroyer of Mahishasura सरोजस्थिताम् who is seated on a lotus

Devi dhyana-shlokas from Durga-Saptashati continue. You can listen to them here in the melodious voice of my guru. Today, dhyanashloka from the 3rd Adhyaya

वन्दे I salute देवीम् Devi अरविन्द-स्थिताम् seated on a lotus त्रिनेत्र-विलसद्-वक्त्र-अरविन्द-श्रियम् Her lotus-face resplendent, shining with three eyes बद्ध-हिमांशु-रत्न-मुकिटाम् who wears a jewelled crown bound with the moon>>

उद्यद्-भानु-सहस्र-कान्तिम् whose beauty is that of a thousand rising suns अरुणक्षौमाम् who is clad in a red sari
शिरोमालिकाम् bearing a garland of skulls रक्तालिप्तपयोधराम् – her breasts smeared with red sandal (paste) >>

जपवटीम् – bearing a string of beads (for japa)
हस्त-अब्जैः दधतीम् – bearing in her lotus-hands
विद्याम् - knowledge
अभीतिम् - fearlessness
वरम् – most excellent, boons. [Bestowing knowledge and fearlessness with her hand gestures/mudras]

Dhyana Shloka from chapter 4 from Durga Saptashati. Listen to them Text and translation in order from 1-4 in this thread. This Navratri - if not the whole paath, at least the dhyana shlokas

ध्यायेद् दुर्गाम् one should meditate on Durga
काल-अभ्र-आभाम् who is brilliant like a dark cloud
कटाक्षैः अरिकुल-भयदाम् who bestows fear on enemies with her glances
मौलि-बद्ध-इन्दु-रेखाम् who has the streak of the moon on her head
त्रिनेत्राम् who has three eyes>>

करैः शड्‌खम् चक्रम् कृपाणम् त्रिशिखम् अपि उद्वहन्तीम् who carries with her hands the conch, disk, sword abd trident
सिंह-स्कन्ध-अधिरूढाम् who has climbed on the shoulder of a lion तेजसा अखिलम् त्रिभुवनम् पूरयन्तीम् who fills all the three worlds with brilliance, splendour>>

जया-आख्याम् who is known as Jaya
त्रि-दश-परिवृताम् who is surrounded by the gods
सिद्धि-कामैः सेविताम् [and] served by those who seek siddhi (success in any pursuit - be it yogic, aatmic or laukik)

Devi can hear your thoughts even before you articulate them. And she understands all languages. But if you choose to revere her in Sanskrit, be sure to pronounce the words perfectly, as per śikṣā rules. You wont find a better exponent than my guru

Dhyana Shloka from Ch 5 of Durga Saptashati. You can hear them all here in the melodious voice of my guru. Sanskrit as it should be enunciated...

अत्र here, now (अहम्) अनुभजे I worship सरस्वतीम् Saraswati गौरी-देह-समुद्भवाम् who emerged from the body of Gauri आधारभूताम् the basis of all beings त्रिजगताम् of the three worlds >>>

घनान्त-विलसत्-शीतल-अंशु- तुल्य प्रभाम् whose splendour is equal to that of the cool shining autumn moon महा-पूर्वाम् who was eminent (even) in days of old; शुम्भादि दैत्य-अर्दिनीम् who is the destroyer of Shumbha etc daityas>>>

हस्त-अब्जै: दधतीम् holding in her lotus-hands
घण्टा-शूल-हल-शङ्‌ख-मुसल bell, spear, plough, conch and pestle/mace चक्रम् disc धनुः bow सायकम् and arrow

Dhyana-Shloka from Ch 6 of Durga Saptashati. Listen to all of them chanted by my guru

चिन्तये I meditate on पद्मावतीम् Padmavati सर्वज्ञेश्वर-भैरव-अङ्क-निलयाम् whose resting place is the body of Bhaivara, the all knowing Lord; नेत्रत्रय-उद्भासिताम् who is resplendent with the three eyes and नागाधीश्वर-विष्टराम् who is seated on the seat of Naagraj;

फणि-फण-उत्तंस-उरु-रत्नावली-भास्वद्-देहलताम् whose slender body is shining with the chain of large jewels in the hoods of snakes चन्द्रार्ध-चूडाम् पराम् who is most excellent with the half moon on her forehead; and दिवाकर-निभाम् brilliant like the sun.

माला-कुम्भ-कपाल-नीरज-कराम् She has in her hand(s) a necklace, water-pot, a skull and a lotus.