Discretionary eligibility for grandchild

[Clarity]

Can someone advise more about discretionary eligibility for my grandchild to be registered as a BR citizen.

My status as her grandmother is:
Automatically a BR citizen by descent as I was born overseas.
Daughter is registered as BR citizen 3.1
My husband is naturalised after my daughter’s birth.
My father and grandparents were all U.K. born otherwise by descent (granddaughters great grandparents and before)
Grandchild is 5 and born overseas.

Question:
What is triple descent. I know this is used in rare cases but it is possible, given my grandchild’s and my ancestry.

I read that using discretion will also take into account that my daughter, living in Singapore after 30 years residency in the U.K.,is working in Singapore for a U.K. domiciled Bank and is the reason that she relocated to Singapore because she was offered a senior role in Singapore. She still works for the U.K. bank and is a member of the British Chamber of Commerce in Singapore.

My previous threads did not explore this triple descent issue and also discretionary claim to registration. I have read up on discretionary claims and there are no specific exclusions. So how do I word the above in for MN1?

Also can the triple descent be used by my grandchild if she is registered under 3.2? The 3.2 guidance states that one parent must be by descent as in this case. Her mum is by descent.
However, the other criteria is that the grandparent, as in my case, must be ‘otherwise by descent which I am not. Can the triple descent be otherwise used?

Any advice is appreciated.

[contorted_svy]

Your daughter was registered under 3.1 (I assume before granddaughter was born) so your grandchild, it appears to me, is already British by descent. Can go ahead and apply for.her passport (it may take long to process the application from abroad). Your daughter will need to send full birth certificate and her UK registration certificate.

[CR001]

Your daughter was registered under 3.1 (I assume before granddaughter was born) so your grandchild, it appears to me, is already British by descent. Can go ahead and apply for.her passport (it may take long to process the application from abroad). Your daughter will need to send full birth certificate and her UK registration certificate.

@contored_svy read the lengthy topic below on this for details.

viewtopic.php?p=2022437#p2022437