The phrase "active section" is correct and usable in written English.
It can be used to refer to a part of a document, webpage, or any other context where certain sections are designated as currently relevant or in use.
Example: "Please navigate to the active section of the report to find the most up-to-date information."
Alternatives: "current section" or "live section".
The "open face" was not a sandwich, but the active section of the landfill, where fresh garbage was buried.
Israeli Jews form the largest and most politically active section of the population.
The effect is disproportionate, because, in the authors' view, they appeal to a "narrow politically active section of the electorate".
The frequency tuning section, which is placed between the active section and Bragg grating section, is designed to be one part of the waveguide external cavity.
Yet just hours later the couple went the most active section of their New Zealand and Australia tour to date, which couldn't have been more calculated to dispel rumours of a second baby (if it hadn't been pre-planned).
"Why didn't sensors go off?" After their initial ventures into the mine, rescue workers said the explosion appeared to have occurred in its active section, not in the abandoned, sealed-off areas.
After these intertitles, shots also had little motion; however, over the last 60 years, the prologue has gradually become one of the most active sections of movies, but still with shots relatively long in duration.
Firefighters and firetrucks peppered the landscape, racing toward the still active sections of the blaze while other rigs drove further up the coast.
First, we wished to provide saturation coverage of the fence line surrounding the airport, given our interest in understanding sources within this area, while being limited in our access to active sections of the airport grounds.
The new regulations also required mine operators to install stronger barriers between active and non-active sections of mines.
While those will remain at the top of the screen, they'll now be followed by new sections showing your Favorite contacts, friends' birthdays and an "Active Now" section.
