A progressive woman is someone who is actively working to advance the rights of women and other marginalized groups. Flo is a shortened form of the name Florence, which is derived from the Latin word florens, meaning 'to blossom'. Florence Nightingale was an English nurse who is considered to be the founder of modern nursing. She was a pioneering figure in the field of healthcare and a strong advocate for women's rights. Flo can also refer to Florence Welch, the lead singer of the band Florence The Machine, who has been a vocal supporter of gender equality and other progressive causes.