
1) Baby step 2) Basic first step 3) Basic travel path 4) First leg of an itinerary 5) First little bit of progress 6) First small bit of progress 7) First step 8) First step in a series 9) First step of progress 10) Hardly the full gamut 11) Initial step 12) Initial step, metaphorically 13) Metaphorical small distance
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https://www.crosswordclues.com/clue/atob
No exact match found.