Dilute $\ce{NaOH}$ can be prepared by adding a suitable amount of concentrated $\ce{NaOH}$.
Dilute NaOH can be prepared by adding required amounts of concentrated NaOH. So WhatsWhat's the difference between Dilute NaOH"dilute $\ce{NaOH}$" and aqueous NaOH"aqueous $\ce{NaOH}$"?