Broadcasting news and running a household are different jobs
An update page is written outward. It answers the question relatives ask, which is how she is doing, and it answers it once for everyone so you are not retelling the same surgery story eleven times. That is real work and it saves real hours in the first week after a hospitalization.
A care log is written inward. It answers the questions only the working circle asks: did the 8 p.m. dose happen, is the walker in the trunk, did anyone call the pharmacy about the refill that was denied. Those answers have to be true at a glance and they have to be there at 6 a.m. when the aide arrives and the daughter who slept over is leaving for work.
Where the two overlap, and where they do not
Both tools keep a dated history and both let you invite people. That is the overlap, and it is why families sometimes try to make one do the other's job. It usually breaks in the same place: the moment a medication changes. An update says the doctor adjusted her blood thinner. A log says which drug, which dose, starting when, and who confirmed the bottle at home matches.
The other split is the aide. A paid caregiver is part of the working circle but is not family. She needs the routine, the medication times and a place to leave a note about what she saw. She does not need the thread where siblings argue about selling the house.
How families run both without doubling the work
The pattern that holds up is simple. The care log is the source of truth for doses, appointments and coverage, and one person posts a short weekly summary to the wider circle from what the log already shows. You are not writing twice, you are summarizing once a week from a record that filled itself in as the week happened.
It also protects your parent's privacy. A wide circle does not need to know about incontinence supplies, a difficult night, or a note from the aide about a bruise. The working circle does, because that is the information that changes what happens tomorrow.