yellow envelope on a blue cover with a white card partially pulled out with kudos text

business background lifestyles gratitude appreciation recognition acknowledgment thanks grateful thankful respect respectful honor honoring admiration praise commendation graciousness kindness politeness courtesy respectability gratified obliged indebted esteem thankfulness reciprocity generosity blessing heartfelt sincerity compassion encouragement support affection friendliness caring thoughtfulness admiring regard warmth respecting thanking applauding kudos envelope letters letter