As fev says, "within" pretty clearly means that there is some range of time in which you must fill out the form. The potential ambiguity is because in "within 10 days before the flight", the following noun phrase "10 days before the flight" has a form that would generally cause it to be interpreted as a point in time rather than a range. Note: YouTube doesn't accept payment for better placement within organic search results, nor do we treat content that is Google-owned more favorably than any other creator.

Understanding the Context

Focusing on these three daily habits that can take less than an hour each day, but have the potential to drastically change your life. The Pareto Principle, popularly known as the 80/20 rule, suggests ... The Hidden Wiki × TOR Directory of Deep Web Sites & Deep Web Links We have moved to a new address: @the_hidden_wiki_onion Мы переехали на новый адрес: @the_hidden_wiki_onion The Hidden Wiki × TOR Directory of Deep Web Sites & Deep Web Links Xray Hunter 1 714 subscribers #Xray Hunter #Candid #Voyeur #Hidden View in Telegram Preview channel Weblio例文辞書での「potentials」に類似した例文 potentials 1 可能 的 例文 possible ― potential 2 可能性 例文 possibility ― potentiality 3 潜在能力. the difference between the electric potential of the outside and the inside of a cell membrane, called {membrane potential} 例文帳に追加 膜電位という,細胞膜の内外に生じる電位差 - EDR日英対訳辞書 Tokio, who did not feel like taking her as his disciple at first, came to expect her potentiality as he exchanged letters with Yoshiko, thus she became his disciple and moved to Tokyo.

Key Insights

発音を聞く 例文帳に追加 始めは気の進まなかった時雄であったが、芳子と手紙をやりとりするうちにその将来性を見込み、師弟関係を結び芳子は上京して ... (something) is (amount) within [of (something else)]. My office is within 2 miles of the bus station. The second train departs within 5 minutes of the first train's arrival. It is common to drop the last part.

Final Thoughts

In that case, you would normally understand it to mean "now" for time, "here" for space, and so on: My office is within 2 miles.