Solutions A number defining position in a series has 6 entries with similar clues

• 6-letter words
• tropicLine defining hot zone
• 7-letter words
• contourDefining line
• essenceDefining quality
• ordinalOf a number showing a position in a series
• 9-letter words
• parameterFactor defining limits
• 14-letter words
• auxiliary-verbPredictive word defining the mood or tense of another